Valley Industrial Rubber Products Co., INC. | Bethlehem | — | ● ACTIVE |
Veteran Packaging CO | Dallas | — | ● ACTIVE |
West Pharmaceutical Services, INC. | Exton | — | ● ACTIVE |
| CRCorry Rubber | Corry | 20–99 | ◐ LIKELY ACTIVE |
| PFPenn Foam Corporation | Allentown | 20–99 | ◐ LIKELY ACTIVE |
| SMSeaway Mfg CORP | Erie | 20–99 | ◐ LIKELY ACTIVE |
| SLStryten Lampeter LLC | Lancaster | 100–499 | ◐ LIKELY ACTIVE |
| BHBryn Hill Industries | Yeadon | — | ◐ LIKELY ACTIVE |
Aah Acquisition, LLC | Union City | — | ◐ LIKELY ACTIVE |
| ARAtlas Roofing Corporation | Camp Hill | — | ◐ LIKELY ACTIVE |
Bedford Reinforced Plastics INC | Bedford | — | ◐ LIKELY ACTIVE |
| CPCresline Plastic Pipe Company INC | Mechanicsburg | 20–99 | ◐ LIKELY ACTIVE |
| CMCrestwood Membranes INC Dba I2m | Mountain Top | — | ◐ LIKELY ACTIVE |
| CICue Inc/cranberry Twp Plt | Cranberry Twp | — | ◐ LIKELY ACTIVE |
| EPEast Penn Mfg CO Inc/battery Assembly | Lyons | — | ◐ LIKELY ACTIVE |
| EIEcore Intl Inc/lancaster | Lancaster | 100–499 | ◐ LIKELY ACTIVE |
| EIEcore Intl Inc/york | York | 100–499 | ◐ LIKELY ACTIVE |
| FGFiber Glass Sys Inc/mt Union Plt | Mount Union | — | ◐ LIKELY ACTIVE |
| FBFirestone Bldg Prod CO Youngwood Plt | Youngwood | — | ◐ LIKELY ACTIVE |
G & T Industries | Reading | 20–99 | ◐ LIKELY ACTIVE |
| HRHaysite Reinforced Plastics Llc/erie | Erie | — | ◐ LIKELY ACTIVE |
| HPHunter Panels | Smithfield | — | ◐ LIKELY ACTIVE |
| ICIneos Composites Us/phila | Philadelphia | — | ◐ LIKELY ACTIVE |
| IFInnocor Foam Technologies Acp Inc/archbald | Archbald | — | ◐ LIKELY ACTIVE |
Johns Manville | Hazleton | — | ◐ LIKELY ACTIVE |
| KPKenson Plastics | Beaver Falls | 100–499 | ◐ LIKELY ACTIVE |
| LVLebanon Valley Aluminum | Lebanon | — | ◐ LIKELY ACTIVE |
| MFMolded Fiber Glass Co/union City | Union City | — | ◐ LIKELY ACTIVE |
| MRMountain Ridge Metals Inc/millersburg | Millersburg | — | ◐ LIKELY ACTIVE |
| OCOil Creek Plastics | Titusville | 20–99 | ◐ LIKELY ACTIVE |
| PAPalram Americas | Kutztown | 100–499 | ◐ LIKELY ACTIVE |
| SISouthco Inc/concordville | Concordville | 100–499 | ◐ LIKELY ACTIVE |
| TDTegrant Diversified Brands INC | Montgomeryville | — | ◐ LIKELY ACTIVE |
| TPTri-state Plastics, INC. | Coraopolis | 20–99 | ◐ LIKELY ACTIVE |
| TATruck Accessories Npdes Stormwater | Milton | — | ◐ LIKELY ACTIVE |
| CBClarion Bathware | Marble | — | ◐ LIKELY ACTIVE |
| FIFxi INC - Corry Facility | Corry | — | ◐ LIKELY ACTIVE |
| TPTempur Production USA LLC Dba Mountain Top Foam/wright Twp | Mountain Top | — | ◐ LIKELY ACTIVE |
| AWArmstrong World Ind Inc/floor C | Lancaster | — | ◇ UNVERIFIED |
| CJCmc Joist & Deck | New Columbia | — | ◇ UNVERIFIED |
| JIJsp Intl Mfg | Butler | — | ◇ UNVERIFIED |
| KKleerdex | Bloomsburg | — | ◇ UNVERIFIED |
Mitsubishi Chemical Advanced Materials Inc/scranton | Scranton | — | ◇ UNVERIFIED |
| TITaylor Ind Inc/parkerford | Parker Ford | — | ◇ UNVERIFIED |
| TCTri City Marble Llc/macungie Facility | Allentown | — | ◇ UNVERIFIED |
Bennett Regulator Guards INC | Glen Rock | — | ◐ LIKELY ACTIVE |
| TFTm Fitzgerald & Associates INC | Havertown | — | ◐ LIKELY ACTIVE |
| AFAdvanced Fiberglass Svc Inc/sharpsville | Sharpsville | — | ◇ UNVERIFIED |
| ARAdvansix Resins & Chemicals LLC | Pottsville | — | ◐ LIKELY ACTIVE |
| APAHF Products Lancaster Floor Plant | Lancaster | 100–499 | ◐ LIKELY ACTIVE |